Re: Two node storage failover with lvm and ISCSI

2011-02-24 Thread Denny Schierz
hi, Am Montag, den 21.02.2011, 17:16 -0600 schrieb Stan Hoeppner: > I'm guessing your setup is different than this or you wouldn't be > askig > about RAID. Could you please describe your storage back end? 4 x LSI 630J Storage with 12 x SAS HDD connected to a SAS Switch. From the SAS switch one

Re: Two node storage failover with lvm and ISCSI

2011-02-21 Thread Stan Hoeppner
Denny Schierz put forth on 2/21/2011 4:20 AM: > hi Stan, > > Am Sonntag, den 20.02.2011, 20:13 -0600 schrieb Stan Hoeppner: >> It's not clear to me at this point if you need real time >> file/filesystem sharing or simply manual fail over from a dead host to >> a backup server. > > than it's my fa

Re: Two node storage failover with lvm and ISCSI

2011-02-21 Thread Denny Schierz
hi Stan, Am Sonntag, den 20.02.2011, 20:13 -0600 schrieb Stan Hoeppner: > It's not clear to me at this point if you need real time > file/filesystem sharing or simply manual fail over from a dead host to > a backup server. than it's my fault :-) I want failover (the second in your words). If nod

Re: Two node storage failover with lvm and ISCSI

2011-02-20 Thread Stan Hoeppner
Denny Schierz put forth on 2/20/2011 11:56 AM: > hi, > > Am Freitag, den 18.02.2011, 20:37 +0800 schrieb Justin Jereza: > >> I'd consider running clvm + gfs2 instead. That way, both nodes can >> stay up and connected to the same filesystem at the same time. The >> only decision left would be whic

Re: Two node storage failover with lvm and ISCSI

2011-02-20 Thread Denny Schierz
hi, Am Freitag, den 18.02.2011, 20:37 +0800 schrieb Justin Jereza: > I'd consider running clvm + gfs2 instead. That way, both nodes can > stay up and connected to the same filesystem at the same time. The > only decision left would be which node to use. OTOH, you can have an > HA configuration as

Re: Two node storage failover with lvm and ISCSI

2011-02-18 Thread Stan Hoeppner
Justin Jereza put forth on 2/18/2011 6:37 AM: >> we have two nodes connected to one big SAS storage (LSI 630j Jbod) with >> SAS HBAs and they can see all disks at same time. >> Now we want build a failover construct for lvm with ISCSI: >> >> LSI Jbod -> node* | raid | lvm | ISCSI -> Global IP ->> C

Re: Two node storage failover with lvm and ISCSI

2011-02-18 Thread Justin Jereza
> we have two nodes connected to one big SAS storage (LSI 630j Jbod) with > SAS HBAs and they can see all disks at same time. > Now we want build a failover construct for lvm with ISCSI: > > LSI Jbod -> node* | raid | lvm | ISCSI -> Global IP ->> Client > > If the primary node fails, start raid on